MIL-DTL-28830E
4.6.1.3 Group B inspection. Group B inspection shall consist of the inspections specified in table VII
in the order shown. The samples shall be selected from inspection lots that have passed the group A
inspection.
4.6.1.3.1 Group B sampling plan. The sampling plan shall be in accordance with table VIII. If one or
more defects are found, the lot shall be screened for that particular defect (s) and the defects
removed. After screening and removal of defects, a new sample shall be randomly selected and
subjected to all tests in accordance with table VII. If one or more defects are found in the second
sample, the lot shall be rejected and shall not be supplied to this specification.
TABLE VII. Group B inspection.
Inspection
Requirement
Test
Number
paragraph
paragraph
of
samples
Attenuation
See table
VSWR
VIII
TABLE VIII. Sampling plan for group B inspection.
Inspection lot size
Metric equivalents for cable
Number of sample
cable length (in feet)
length (in meters)
units for group B
0 to
15,000
0 to
4,572
1
15,001 to
65,000
4,752.30 to
19,812
2
65,001 to 160,000
19,812.30 to
48,768
3
160,001 to 440,000
48,768.30 to 134,112
5
440,001
and over
134,112.30
and over
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4.6.1.3.2 Sample unit. A sample unit is a piece of cable from the reel of cable and the length
specified for the applicable test method.
4.6.1.3.3 Disposition of sample units. Sample units which have passed all of group B inspections
may be delivered on the contract or purchase order if the lot is accepted and if the sample units are
undamaged and within specifications. Reworking of defective samples is not allowed.
4.6.2 Periodic inspection. Periodic inspection shall consist of group C inspections and shall be made
after 36 months of qualifying initially and every 36 months thereafter. Except where the results of this
inspection show noncompliance with the applicable requirements (see 4.6.2.1.4), delivery of products
which have passed groups A and B inspections shall not be delayed pending the results of these
periodic inspections.
4.6.2.1 Group C inspection. Group C inspection shall consist of the inspections specified in table IX
in the order shown. Group C inspection shall be made on sample units selected from inspection lots
which have passed groups A and B inspections.
4.6.2.1.1 Sample size. Five hundred feet (152.4 meters) of cable of the type and size specified (see
3.1) shall be subjected to group C inspection.
4.6.2.1.2 Failures. One or more failures shall be cause for rejection of the entire lot.
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